CSF Gen 2 B58 Race X Charge-Air-Cooler Manifold - Thermal Black FinishBrand CSF Part Number 8400B Category Forced Induction Intercoolers Condition Brand New Original Manufacturer Packaging CSF specifically designed the front water end plate of the manifold to allow for a single pass setup or ice box setup. This 16 ORB bung found on the front water plate is the largest available on any aftermarket B58 manifold (competitor's unit uses a 12 fitting). CSF has teamed up with industry leading fitting and hose experts Brown